571 – L2 AI CAN Max Retarded Timing
Yellow alarm. Power reduction.
Associated parameter 2.1200.932
Cause
Corrective action
The cylinder set to maximum
retarded timing due to knocking
has violated the second limit
value. Power reduction is
initiated.
1. Check emissions.
2. Check ignition timing (→ Page 162).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
572 – L3 AI CAN Max Retarded Timing
Red alarm. Engine stop.
Associated parameter 2.1200.933
Cause
Corrective action
The cylinder set to maximum
retarded timing due to knocking
has violated the third limit value.
1. Check emissions.
2. Check ignition timing (→ Page 162).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
583 – AL GLS closed
Red alarm. Engine stop.
Associated parameter 2.0451.005
Cause
Corrective action
Generator load switch does not
open when engine stops. Engine
is motoring.
1. Check generator load switch.
2. Disconnect generator switch manually.
3. Open mains power switch if available.
4. Do not actuate manual emergency off if possible.
603 – SD Air Humidity
Yellow alarm.
Associated parameter 1.0165.900
Cause
Corrective action
Air humidity sensor defect.
Short circuit or wire break
u
Check sensor and cabling, replace as necessary.
604 – AL Hut Changespeed max.
Yellow alarm.
Associated parameter 2.1210.910
Cause
Corrective action
Gas qualities change too
quickly.
u
Check gas system.
MS15027/02E 2015-04
| Troubleshooting | 135
TIM-ID: 0000044567 - 003
